污水处理中的光催化技术

Photocatalytic Technology for Sewage Treatment

光催化技术是一种新兴的高效节能的污水处理技术。文章主要介绍了半导体光催化技术的作用机理,影响光催化效率的因素,包括半导体催化剂的晶体结构、粒径、催化剂用量、光强、有机污染物浓度、pH。同时还介绍了提高光催化效率的方法以及光催化技术在污水处理中的应用。

Photocatalytic technology is a new energy efficient sewage treatment technology. The paper presented a semiconductor optical catalytic role of technology, impact on the efficiency ofphotocatalytic factors, including the crystal structure of the semiconductor catalyst, size, the amount of catalyst, light intensity, organic pollutant concentration, pH. It also presented methods for improving the efficiency of photocatalytie rate and technology in the application of sewage treatment.